Locking button for a heatsink



FIG. 1 is a perspective view of a locking button for a heatsink showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof; and,

FIG. 8 is a view showing the application of the locking button, wherein the broken line portion is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for the locking button for a heatsink, as shown and described. 